<?php
require_once "includes/wxpay/lib/WxPay.Api.php";
require_once 'includes/wxpay/lib/WxPay.Notify.php';
require_once 'log.php';

class PayNotifyCallBack extends WxPayNotify
{
    //查询订单
    public function Queryorder($transaction_id)
    {
        $input = new WxPayOrderQuery();
        $input->SetTransaction_id($transaction_id);
        $result = WxPayApi::orderQuery($input);
        Log::DEBUG("query:" . json_encode($result));
        if (array_key_exists("return_code", $result)
            && array_key_exists("result_code", $result)
            && $result["return_code"] == "SUCCESS"
            && $result["result_code"] == "SUCCESS") {
            return true;
        }
        return false;
    }
    
    //重写回调处理函数
    public function NotifyProcess($data, &$msg)
    {
        Log::DEBUG("call back:" . json_encode($data));
        $notfiyOutput = array();
        
        if (!array_key_exists("transaction_id", $data)) {
            $msg = "输入参数不正确";
            return false;
        }
        //查询订单，判断订单真实性
        if (!$this->Queryorder($data["transaction_id"])) {
            var_dump($msg);
            return false;
        }
        //更新付款信息和课程信息
        $cart_obj = new Enrolment();
        $payment = $cart_obj->changPaySuccess('wechatpay', $data['out_trade_no']);
        return true;
    }
}
